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Energy Industry (Oil & Gas)/Questions Answered by Expert David Fox

SubjectDate Asked
Well Testing4/2/2010
  Q: If during a well test exercise,a well flowed initially and allowed to build up and flowed ...
  A: The radius of investigation would be higher for the second flow period and should therefore be more ...
Selling My Stake in an Oil Block3/16/2009
  Q: some years ago my family-owned company managed to acquire a miniscule percentage stake in an ...
  A: There is no magic formula to value exploration acreage, the only way of getting an accurate value ...
Net Present Value8/28/2008
  Q: i can't seem to understand what Net Present Value means. Alot of times, it's shown as NPV discounted ...
  A: Net Present Value or NPV is the value of an asset taking into account the time value of money. It is ...
gasoline production7/3/2008
  Q: If a barrel of oil will produce 19.5 gallons of gasoline, what other by product can be produced from ...
  A: A range of products can be produced from a barrel of crude and the types and volumes of each will ...
Temperature Effect of Natural Gas5/15/2008
  Q: What specifically effects the amount of heat or the temperature of Natural Gas? Is it directly ...
  A: The amount of heat generated by burning the natural gas depends on its composition. Natural gas is ...
A UK Landman ? Is it possible?1/31/2008
  Q: This is a question for David Fox and Frederick M Scott. I work as a land manager in the UK ...
  A: The job of landman is essentially only a US profession because the US is one of the few places where ...
cost of oil and gas1/26/2008
  Q: If a barrel of oil just out of the ground costs an oil company $100 ... how do they make any money? ...
  A: There are 2 sides to the oil industry - upstream (exploration and production)and downstream ...
Oil Recovery Cost12/28/2006
  Q: May I know how much is the recovery cost per bbl in middle east as well as asia pacific? I would ...
  A: As implied in my previous post, recovery cost per bbl varies according to the nature (offshore or ...
Oil - company profits vs. state owner8/12/2006
  Q: I am particularly interested to learn how the Oil companies work their contracts out with the state ...
  A: There is a wide variety of ways that states award petroleum concessions to oil companies, but most ...
Oil Company profits12/28/2005
  Q: One often reads about huge oil company profits while oil and gas prices are very high, as they have ...
  A: Oil company profits are high when oil prices are high because the il companies are the producers of ...

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David Fox

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Oil and gas exploration and production, particularly on the commercial and engineering aspects. Including asset management, negotiations, development planning, acquisitions & disposals, economics and other petroleum engineering topics.

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Past/Present clients
Numerous international oil and gas exploration companies and governments. Under a current long-term contract, I am advising the Government of Ireland on appraisal, development and production of oil and gas fields.

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